HK1035102A1 - An interference cancellation method based on smart antenna - Google Patents

An interference cancellation method based on smart antenna

Info

Publication number
HK1035102A1
HK1035102A1 HK01105235A HK01105235A HK1035102A1 HK 1035102 A1 HK1035102 A1 HK 1035102A1 HK 01105235 A HK01105235 A HK 01105235A HK 01105235 A HK01105235 A HK 01105235A HK 1035102 A1 HK1035102 A1 HK 1035102A1
Authority
HK
Hong Kong
Prior art keywords
signal
interference
smart antenna
getting
multipath
Prior art date
Application number
HK01105235A
Other languages
English (en)
Inventor
Feng Li
Shihe Li
Original Assignee
China Academy Of Telecomm Tech
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Academy Of Telecomm Tech filed Critical China Academy Of Telecomm Tech
Publication of HK1035102A1 publication Critical patent/HK1035102A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7113—Determination of path profile
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
    • H01Q3/2611—Means for null steering; Adaptive interference nulling

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Burglar Alarm Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Details Of Aerials (AREA)
  • Radio Transmission System (AREA)
  • Support Of Aerials (AREA)
HK01105235A 1999-08-11 2001-07-27 An interference cancellation method based on smart antenna HK1035102A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN99111371A CN1118201C (zh) 1999-08-11 1999-08-11 一种基于智能天线的干扰抵销方法

Publications (1)

Publication Number Publication Date
HK1035102A1 true HK1035102A1 (en) 2001-11-09

Family

ID=5275048

Family Applications (1)

Application Number Title Priority Date Filing Date
HK01105235A HK1035102A1 (en) 1999-08-11 2001-07-27 An interference cancellation method based on smart antenna

Country Status (14)

Country Link
US (1) US6639551B2 (de)
EP (1) EP1220355B1 (de)
JP (1) JP4615170B2 (de)
KR (1) KR100584849B1 (de)
CN (1) CN1118201C (de)
AT (1) ATE373879T1 (de)
AU (1) AU771268B2 (de)
BR (1) BRPI0013209B1 (de)
CA (1) CA2381366C (de)
DE (1) DE60036485T2 (de)
HK (1) HK1035102A1 (de)
MX (1) MXPA02001465A (de)
RU (1) RU2256985C2 (de)
WO (1) WO2001013466A1 (de)

Families Citing this family (76)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001308744A (ja) * 2000-04-19 2001-11-02 Nec Corp 移動通信復調装置及びその復調方法並びにその制御プログラムを記録した記録媒体
JP3424659B2 (ja) * 2000-06-02 2003-07-07 日本電気株式会社 マルチビーム受信装置
US7720472B1 (en) * 2000-09-14 2010-05-18 The Directv Group, Inc. Stratospheric-based communication system having interference cancellation
US7809403B2 (en) 2001-01-19 2010-10-05 The Directv Group, Inc. Stratospheric platforms communication system using adaptive antennas
US7187949B2 (en) 2001-01-19 2007-03-06 The Directv Group, Inc. Multiple basestation communication system having adaptive antennas
US8396513B2 (en) * 2001-01-19 2013-03-12 The Directv Group, Inc. Communication system for mobile users using adaptive antenna
FR2824431A1 (fr) * 2001-05-03 2002-11-08 Mitsubishi Electric Inf Tech Methode et dispositif de reception de signal
KR100426623B1 (ko) * 2001-12-22 2004-04-13 한국전자통신연구원 인접 기지국 파일럿 신호 제거를 위한 이동통신 단말기의복조 장치 및 그 방법
US7428278B2 (en) * 2002-05-09 2008-09-23 Interdigital Technology Corporation Method and apparatus for parallel midamble cancellation
KR100689399B1 (ko) * 2002-05-17 2007-03-08 삼성전자주식회사 이동통신시스템에서 스마트 안테나의 순방향 송신빔 형성장치 및 방법
US7327800B2 (en) 2002-05-24 2008-02-05 Vecima Networks Inc. System and method for data detection in wireless communication systems
TWI501576B (zh) * 2002-07-19 2015-09-21 Rakuten Inc 用於具接收多樣化的塊組傳輸之群組式連續干擾消除
US7130662B2 (en) * 2002-08-01 2006-10-31 Interdigital Technology Corporation Simple smart-antenna system for MUD-enabled cellular networks
JP4008301B2 (ja) 2002-08-01 2007-11-14 株式会社エヌ・ティ・ティ・ドコモ 基地局接続方法、無線ネットワーク制御装置及び移動局
KR100554922B1 (ko) * 2002-10-18 2006-03-10 엘지전자 주식회사 다중 빔 기반의 다중경로 탐색장치 및 방법
KR100516894B1 (ko) * 2002-11-20 2005-09-23 한국전자통신연구원 배열 안테나 기지국 수신 시스템 및 그 방법
US7327795B2 (en) 2003-03-31 2008-02-05 Vecima Networks Inc. System and method for wireless communication systems
CN100417054C (zh) * 2003-06-24 2008-09-03 华为技术有限公司 多波束下双层加权并行干扰对消方法及相应的接收装置
US6937579B2 (en) * 2003-07-25 2005-08-30 International Business Machines Corporation Electronic device connection resource management
KR100546357B1 (ko) * 2003-07-30 2006-01-26 삼성전자주식회사 공간 다이버시티 및 빔형성을 이용한 디지털 ｔｖ신호를수신하는 방법 및 장치
CN100337489C (zh) * 2003-09-18 2007-09-12 西门子通信技术（北京）有限公司 抑制干扰的方法
US7702049B2 (en) * 2003-09-30 2010-04-20 Intel Corporation Signal conversion apparatus, systems, and methods
US8213553B2 (en) * 2004-04-12 2012-07-03 The Directv Group, Inc. Method and apparatus for identifying co-channel interference
US7412209B2 (en) * 2004-04-12 2008-08-12 The Directv Group, Inc. Shifted channel characteristics for mitigating co-channel interference
US7672285B2 (en) * 2004-06-28 2010-03-02 Dtvg Licensing, Inc. Method and apparatus for minimizing co-channel interference by scrambling
US7161988B2 (en) * 2004-04-12 2007-01-09 The Directv Group, Inc. Method and apparatus for minimizing co-channel interference
US7961880B2 (en) * 2005-08-26 2011-06-14 The Directv Group, Inc. Methods and apparatuses for determining scrambling codes for signal transmission
CN100336316C (zh) * 2004-05-26 2007-09-05 中兴通讯股份有限公司 一种智能天线的波束赋形方法及其装置
US7525926B2 (en) * 2004-08-02 2009-04-28 Atheros Communications, Inc. Wireless communication using beam forming and diversity
US7587191B2 (en) * 2005-03-25 2009-09-08 The Mitre Corporation High-quality detection based on sequential interference cancellation techniques
US8433355B2 (en) * 2005-04-21 2013-04-30 Interdigital Technology Corporation Method and apparatus for generating loud packets to estimate path loss
CN101222257B (zh) * 2007-01-09 2012-06-13 中兴通讯股份有限公司 智能天线赋形增益的测试方法
US8249513B2 (en) * 2007-08-13 2012-08-21 Samsung Electronics Co., Ltd. System and method for training different types of directional antennas that adapts the training sequence length to the number of antennas
WO2009075622A1 (en) * 2007-12-12 2009-06-18 Telefonaktiebolaget Lm Ericsson (Publ) An improved broadcast channel.
US8477874B2 (en) * 2007-12-31 2013-07-02 Mobilicom Ltd. Method, device and system of wireless communication
US8478204B2 (en) * 2008-07-14 2013-07-02 Samsung Electronics Co., Ltd. System and method for antenna training of beamforming vectors having reuse of directional information
US10284356B2 (en) 2011-02-03 2019-05-07 The Board Of Trustees Of The Leland Stanford Junior University Self-interference cancellation
US9331737B2 (en) 2012-02-08 2016-05-03 The Board Of Trustees Of The Leland Stanford Junior University Systems and methods for cancelling interference using multiple attenuation delays
US10230419B2 (en) 2011-02-03 2019-03-12 The Board Of Trustees Of The Leland Stanford Junior University Adaptive techniques for full duplex communications
US10243719B2 (en) 2011-11-09 2019-03-26 The Board Of Trustees Of The Leland Stanford Junior University Self-interference cancellation for MIMO radios
US9325432B2 (en) 2012-02-08 2016-04-26 The Board Of Trustees Of The Leland Stanford Junior University Systems and methods for full-duplex signal shaping
JP6270069B2 (ja) * 2012-06-08 2018-01-31 ザ・ボード・オブ・トラスティーズ・オブ・ザ・リーランド・スタンフォード・ジュニア・ユニバーシティ 複数の減衰遅延を使用した干渉をキャンセルするためのシステムおよび方法
US9036749B2 (en) 2013-08-09 2015-05-19 Kumu Networks, Inc. Systems and methods for frequency independent analog self-interference cancellation
US9698860B2 (en) 2013-08-09 2017-07-04 Kumu Networks, Inc. Systems and methods for self-interference canceller tuning
US11163050B2 (en) 2013-08-09 2021-11-02 The Board Of Trustees Of The Leland Stanford Junior University Backscatter estimation using progressive self interference cancellation
US8976641B2 (en) 2013-08-09 2015-03-10 Kumu Networks, Inc. Systems and methods for non-linear digital self-interference cancellation
US9054795B2 (en) 2013-08-14 2015-06-09 Kumu Networks, Inc. Systems and methods for phase noise mitigation
EP3039798A4 (de) 2013-08-29 2017-05-03 Kumu Networks, Inc. Vollduplexrelais
US10673519B2 (en) 2013-08-29 2020-06-02 Kuma Networks, Inc. Optically enhanced self-interference cancellation
US9520983B2 (en) 2013-09-11 2016-12-13 Kumu Networks, Inc. Systems for delay-matched analog self-interference cancellation
US10230422B2 (en) 2013-12-12 2019-03-12 Kumu Networks, Inc. Systems and methods for modified frequency-isolation self-interference cancellation
US9077421B1 (en) 2013-12-12 2015-07-07 Kumu Networks, Inc. Systems and methods for hybrid self-interference cancellation
US9774405B2 (en) 2013-12-12 2017-09-26 Kumu Networks, Inc. Systems and methods for frequency-isolated self-interference cancellation
US9712312B2 (en) 2014-03-26 2017-07-18 Kumu Networks, Inc. Systems and methods for near band interference cancellation
WO2015168700A1 (en) 2014-05-02 2015-11-05 The Board Of Trustees Of The Leland Stanford Junior University Method and apparatus for tracing motion using radio frequency signals
US9276682B2 (en) 2014-05-23 2016-03-01 Kumu Networks, Inc. Systems and methods for multi-rate digital self-interference cancellation
US9521023B2 (en) 2014-10-17 2016-12-13 Kumu Networks, Inc. Systems for analog phase shifting
US9712313B2 (en) 2014-11-03 2017-07-18 Kumu Networks, Inc. Systems for multi-peak-filter-based analog self-interference cancellation
US9673854B2 (en) 2015-01-29 2017-06-06 Kumu Networks, Inc. Method for pilot signal based self-inteference cancellation tuning
US9634823B1 (en) 2015-10-13 2017-04-25 Kumu Networks, Inc. Systems for integrated self-interference cancellation
US9800275B2 (en) 2015-12-16 2017-10-24 Kumu Networks, Inc. Systems and methods for out-of band-interference mitigation
US9742593B2 (en) 2015-12-16 2017-08-22 Kumu Networks, Inc. Systems and methods for adaptively-tuned digital self-interference cancellation
WO2017106766A1 (en) 2015-12-16 2017-06-22 Kumu Networks, Inc. Time delay filters
US10666305B2 (en) 2015-12-16 2020-05-26 Kumu Networks, Inc. Systems and methods for linearized-mixer out-of-band interference mitigation
US10454444B2 (en) 2016-04-25 2019-10-22 Kumu Networks, Inc. Integrated delay modules
WO2017189592A1 (en) 2016-04-25 2017-11-02 Kumu Networks, Inc. Integrated delay modules
US10338205B2 (en) 2016-08-12 2019-07-02 The Board Of Trustees Of The Leland Stanford Junior University Backscatter communication among commodity WiFi radios
CA3041667A1 (en) 2016-10-25 2018-05-03 The Board Of Trustees Of The Leland Stanford Junior University Backscattering ambient ism band signals
TW201820832A (zh) * 2016-11-16 2018-06-01 財團法人資訊工業策進會 無線通訊裝置及其數位自干擾估測方法
WO2018183384A1 (en) 2017-03-27 2018-10-04 Kumu Networks, Inc. Systems and methods for intelligently-tunded digital self-interference cancellation
EP3602776B1 (de) 2017-03-27 2021-04-21 Kumu Networks, Inc. Verbesserter linearitätsmischer
US10236922B2 (en) 2017-03-27 2019-03-19 Kumu Networks, Inc. Systems and methods for tunable out-of-band interference mitigation
US10200076B1 (en) 2017-08-01 2019-02-05 Kumu Networks, Inc. Analog self-interference cancellation systems for CMTS
CN111771345B (zh) 2018-02-27 2021-08-31 库姆网络公司 用于可配置混合自干扰消除的系统和方法
US10868661B2 (en) 2019-03-14 2020-12-15 Kumu Networks, Inc. Systems and methods for efficiently-transformed digital self-interference cancellation
CN116418381B (zh) * 2023-03-02 2024-02-13 中国科学院自动化研究所 基于gpu计算平台的并行数字多波束合成方法及装置

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5567245A (en) * 1978-11-16 1980-05-21 Victor Co Of Japan Ltd Fm multi-path distortion removing unit
US4952193A (en) * 1989-03-02 1990-08-28 American Nucleonics Corporation Interference cancelling system and method
CN1053313A (zh) 1990-01-09 1991-07-24 郝兴君 电子多功能防盗自动报警台
GB2281011B (en) 1993-08-12 1998-04-08 Northern Telecom Ltd Base station antenna arrangement
EP0647978B1 (de) 1993-08-12 2002-10-23 Nortel Networks Limited Antenneneinrichtung für Basisstation
DE4329320A1 (de) * 1993-08-31 1995-03-02 Siemens Ag Verfahren und Einrichtung zur Datenübertragung
US5621752A (en) * 1994-06-23 1997-04-15 Qualcomm Incorporated Adaptive sectorization in a spread spectrum communication system
JP2590441B2 (ja) * 1994-08-16 1997-03-12 郵政省通信総合研究所長 干渉波検出方法
JP2669393B2 (ja) * 1995-04-11 1997-10-27 日本電気株式会社 干渉波除去装置
JP3476987B2 (ja) * 1996-01-12 2003-12-10 株式会社日立国際電気 マルチユーザ復調方法および装置
JPH10190495A (ja) * 1996-12-20 1998-07-21 Fujitsu Ltd 干渉キャンセラ
JP3390900B2 (ja) * 1996-12-20 2003-03-31 富士通株式会社 干渉キャンセラ及び仮判定方法
FI109735B (fi) * 1997-02-28 2002-09-30 Nokia Corp Vastaanottomenetelmä ja vastaanotin
CN1053313C (zh) * 1997-04-21 2000-06-07 北京信威通信技术有限公司 具有智能天线的时分双工同步码分多址无线通信系统及其通信方法
JP2853741B2 (ja) * 1997-06-03 1999-02-03 日本電気株式会社 Ｃｄｍａ用受信装置
JP2914445B2 (ja) * 1997-08-05 1999-06-28 日本電気株式会社 Ｃｄｍａ適応受信装置
KR100239177B1 (ko) 1997-08-30 2000-01-15 윤종용 씨디엠에이 이동통신시스템에서 파일럿 신호를 이용한 스마트안테나 수신장치 및 방법
JP2991179B2 (ja) * 1998-01-08 1999-12-20 日本電気株式会社 Ｃｄｍａマルチユーザ受信装置

Also Published As

Publication number Publication date
KR20020019962A (ko) 2002-03-13
BRPI0013209B1 (pt) 2016-01-12
WO2001013466A1 (fr) 2001-02-22
DE60036485T2 (de) 2008-06-26
CA2381366C (en) 2008-01-29
CN1284819A (zh) 2001-02-21
EP1220355A1 (de) 2002-07-03
JP2003507916A (ja) 2003-02-25
AU771268B2 (en) 2004-03-18
BR0013209A (pt) 2002-04-23
AU5387300A (en) 2001-03-13
JP4615170B2 (ja) 2011-01-19
CA2381366A1 (en) 2001-02-22
KR100584849B1 (ko) 2006-05-29
RU2256985C2 (ru) 2005-07-20
CN1118201C (zh) 2003-08-13
DE60036485D1 (de) 2007-10-31
US6639551B2 (en) 2003-10-28
EP1220355A4 (de) 2003-10-15
US20020109631A1 (en) 2002-08-15
EP1220355B1 (de) 2007-09-19
ATE373879T1 (de) 2007-10-15
MXPA02001465A (es) 2004-09-10

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Effective date: 20190810